From 651e5851e85bafa96033b9623b312620743866ea Mon Sep 17 00:00:00 2001 From: pankunull Date: Thu, 14 Aug 2025 20:58:25 +0200 Subject: added src dir --- ctof | Bin 15648 -> 0 bytes ctof.c | 44 -------------------------------------------- dir | Bin 15624 -> 0 bytes dir.c | 17 ----------------- main | Bin 15552 -> 0 bytes main.c | 25 ------------------------- main2 | Bin 15416 -> 0 bytes main2.c | 6 ------ shift | Bin 15672 -> 0 bytes shift.c | 32 -------------------------------- src/ctof | Bin 0 -> 15648 bytes src/ctof.c | 44 ++++++++++++++++++++++++++++++++++++++++++++ src/dir | Bin 0 -> 15624 bytes src/dir.c | 17 +++++++++++++++++ src/main | Bin 0 -> 15552 bytes src/main.c | 25 +++++++++++++++++++++++++ src/main2 | Bin 0 -> 15416 bytes src/main2.c | 6 ++++++ src/shift | Bin 0 -> 15672 bytes src/shift.c | 32 ++++++++++++++++++++++++++++++++ 20 files changed, 124 insertions(+), 124 deletions(-) delete mode 100755 ctof delete mode 100644 ctof.c delete mode 100755 dir delete mode 100644 dir.c delete mode 100755 main delete mode 100644 main.c delete mode 100755 main2 delete mode 100644 main2.c delete mode 100755 shift delete mode 100644 shift.c create mode 100755 src/ctof create mode 100644 src/ctof.c create mode 100755 src/dir create mode 100644 src/dir.c create mode 100755 src/main create mode 100644 src/main.c create mode 100755 src/main2 create mode 100644 src/main2.c create mode 100755 src/shift create mode 100644 src/shift.c diff --git a/ctof b/ctof deleted file mode 100755 index 7a47ff7..0000000 Binary files a/ctof and /dev/null differ diff --git a/ctof.c b/ctof.c deleted file mode 100644 index e61cfcd..0000000 --- a/ctof.c +++ /dev/null @@ -1,44 +0,0 @@ -#include -#include -#include // for errno -#include // for INT_MAX, INT_MIN - - -/* - F = C x 9/5 + 32 -*/ - -int -main(int argc, char *argv[]) -{ - - if (argc < 2) { - printf("Usage: %s number\n", argv[0]); - return 1; - } - - char *endptr; - - errno = 0; // reset errno - - long value = strtol(argv[1], &endptr, 10); // base 10 - - if (endptr == argv[1]) { - printf("Error: No digits were found\n"); - return 1; - } - if (*endptr != '\0') { - printf("Warning: Trailing characters after number: %s\n", endptr); - return 1; - } - if ((value == LONG_MAX || value == LONG_MIN) && errno == ERANGE) { - printf("Error: Number out of range\n"); - return 1; - } - - float fah = value * 9/5 + 32; - - printf("Fahrenheit: %0.f\n", fah); - - return 0; -} diff --git a/dir b/dir deleted file mode 100755 index 7757a29..0000000 Binary files a/dir and /dev/null differ diff --git a/dir.c b/dir.c deleted file mode 100644 index 05803fd..0000000 --- a/dir.c +++ /dev/null @@ -1,17 +0,0 @@ -#include -#include - -int main() { - DIR *d; - struct dirent *dir; - d = opendir("."); - if (d) { - while ((dir = readdir(d)) != NULL) { - printf("%s\n", dir->d_name); - } - closedir(d); - } else { - perror("opendir"); - } - return 0; -} diff --git a/main b/main deleted file mode 100755 index 37336e8..0000000 Binary files a/main and /dev/null differ diff --git a/main.c b/main.c deleted file mode 100644 index 30d5c61..0000000 --- a/main.c +++ /dev/null @@ -1,25 +0,0 @@ -#include - -// Function that tries to change a number without pointer -void noPointerChange(int num) { - num = 100; // Changes local copy only -} - -// Function that changes a number using pointer -void pointerChange(int *numPtr) { - *numPtr = 100; // Changes original value through pointer -} - -int main() { - int value = 50; - - printf("Before noPointerChange: %d\n", value); - noPointerChange(value); - printf("After noPointerChange: %d\n", value); // value unchanged - - printf("Before pointerChange: %d\n", value); - pointerChange(&value); - printf("After pointerChange: %d\n", value); // value changed - - return 0; -} diff --git a/main2 b/main2 deleted file mode 100755 index c35260e..0000000 Binary files a/main2 and /dev/null differ diff --git a/main2.c b/main2.c deleted file mode 100644 index c63efdb..0000000 --- a/main2.c +++ /dev/null @@ -1,6 +0,0 @@ -#include - -main() -{ - printf("Hello C\n"); -} diff --git a/shift b/shift deleted file mode 100755 index 6429b03..0000000 Binary files a/shift and /dev/null differ diff --git a/shift.c b/shift.c deleted file mode 100644 index c65b815..0000000 --- a/shift.c +++ /dev/null @@ -1,32 +0,0 @@ -#include - -void print_binary(unsigned char value) { - for (int i = 7; i >= 0; i--) { - printf("%d", (value >> i) & 1); - } - printf("\n"); -} - -int main() { - unsigned char value = 0; // start with all bits off - int bit; - - printf("Starting value: "); - print_binary(value); - - while (1) { - printf("Enter bit to toggle (0-7), or -1 to quit: "); - if (scanf("%d", &bit) != 1) break; - if (bit == -1) break; - if (bit < 0 || bit > 7) { - printf("Invalid bit.\n"); - continue; - } - - value ^= (1 << bit); // toggle the chosen bit - printf("Current value: "); - print_binary(value); - } - - return 0; -} diff --git a/src/ctof b/src/ctof new file mode 100755 index 0000000..7a47ff7 Binary files /dev/null and b/src/ctof differ diff --git a/src/ctof.c b/src/ctof.c new file mode 100644 index 0000000..e61cfcd --- /dev/null +++ b/src/ctof.c @@ -0,0 +1,44 @@ +#include +#include +#include // for errno +#include // for INT_MAX, INT_MIN + + +/* + F = C x 9/5 + 32 +*/ + +int +main(int argc, char *argv[]) +{ + + if (argc < 2) { + printf("Usage: %s number\n", argv[0]); + return 1; + } + + char *endptr; + + errno = 0; // reset errno + + long value = strtol(argv[1], &endptr, 10); // base 10 + + if (endptr == argv[1]) { + printf("Error: No digits were found\n"); + return 1; + } + if (*endptr != '\0') { + printf("Warning: Trailing characters after number: %s\n", endptr); + return 1; + } + if ((value == LONG_MAX || value == LONG_MIN) && errno == ERANGE) { + printf("Error: Number out of range\n"); + return 1; + } + + float fah = value * 9/5 + 32; + + printf("Fahrenheit: %0.f\n", fah); + + return 0; +} diff --git a/src/dir b/src/dir new file mode 100755 index 0000000..7757a29 Binary files /dev/null and b/src/dir differ diff --git a/src/dir.c b/src/dir.c new file mode 100644 index 0000000..05803fd --- /dev/null +++ b/src/dir.c @@ -0,0 +1,17 @@ +#include +#include + +int main() { + DIR *d; + struct dirent *dir; + d = opendir("."); + if (d) { + while ((dir = readdir(d)) != NULL) { + printf("%s\n", dir->d_name); + } + closedir(d); + } else { + perror("opendir"); + } + return 0; +} diff --git a/src/main b/src/main new file mode 100755 index 0000000..37336e8 Binary files /dev/null and b/src/main differ diff --git a/src/main.c b/src/main.c new file mode 100644 index 0000000..30d5c61 --- /dev/null +++ b/src/main.c @@ -0,0 +1,25 @@ +#include + +// Function that tries to change a number without pointer +void noPointerChange(int num) { + num = 100; // Changes local copy only +} + +// Function that changes a number using pointer +void pointerChange(int *numPtr) { + *numPtr = 100; // Changes original value through pointer +} + +int main() { + int value = 50; + + printf("Before noPointerChange: %d\n", value); + noPointerChange(value); + printf("After noPointerChange: %d\n", value); // value unchanged + + printf("Before pointerChange: %d\n", value); + pointerChange(&value); + printf("After pointerChange: %d\n", value); // value changed + + return 0; +} diff --git a/src/main2 b/src/main2 new file mode 100755 index 0000000..c35260e Binary files /dev/null and b/src/main2 differ diff --git a/src/main2.c b/src/main2.c new file mode 100644 index 0000000..c63efdb --- /dev/null +++ b/src/main2.c @@ -0,0 +1,6 @@ +#include + +main() +{ + printf("Hello C\n"); +} diff --git a/src/shift b/src/shift new file mode 100755 index 0000000..6429b03 Binary files /dev/null and b/src/shift differ diff --git a/src/shift.c b/src/shift.c new file mode 100644 index 0000000..c65b815 --- /dev/null +++ b/src/shift.c @@ -0,0 +1,32 @@ +#include + +void print_binary(unsigned char value) { + for (int i = 7; i >= 0; i--) { + printf("%d", (value >> i) & 1); + } + printf("\n"); +} + +int main() { + unsigned char value = 0; // start with all bits off + int bit; + + printf("Starting value: "); + print_binary(value); + + while (1) { + printf("Enter bit to toggle (0-7), or -1 to quit: "); + if (scanf("%d", &bit) != 1) break; + if (bit == -1) break; + if (bit < 0 || bit > 7) { + printf("Invalid bit.\n"); + continue; + } + + value ^= (1 << bit); // toggle the chosen bit + printf("Current value: "); + print_binary(value); + } + + return 0; +} -- cgit v1.2.3