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author | Thorbjørn Lindeijer <bjorn@lindeijer.nl> | 2025-02-12 09:39:28 +0100 |
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committer | Thorbjørn Lindeijer <bjorn@lindeijer.nl> | 2025-02-12 11:44:56 +0100 |
commit | 95311dc4a083b8b12529f3617d2feae8fa5eb684 (patch) | |
tree | c64a04d53ff2a0e65d8ceb93d80a035f73d46900 /client/adler32.c | |
parent | 63807cbe838a32cb6805f0a8ee5efe1548513a83 (diff) | |
download | tools-python-adler32.tar.gz tools-python-adler32.tar.bz2 tools-python-adler32.tar.xz tools-python-adler32.zip |
Replaced adler32.c with adler32.pypython-adler32
The task is rather easier in Python and this way we have a ready to run
script instead of a tool that needs compilation first. Execution speed
is about the same.
Goodbye little C program, we had a good time!
Diffstat (limited to 'client/adler32.c')
-rw-r--r-- | client/adler32.c | 79 |
1 files changed, 0 insertions, 79 deletions
diff --git a/client/adler32.c b/client/adler32.c deleted file mode 100644 index 606c739..0000000 --- a/client/adler32.c +++ /dev/null @@ -1,79 +0,0 @@ -/* - * adler32.c (c) 2006 Bjorn Lindeijer - * License: GPL, v2 or later - * - * Calculates Adler-32 checksums for all files passed as argument. - * - * Usage: adler32 [file]... - */ - -#include <stdlib.h> -#include <stdio.h> -#include <zlib.h> - -/** - * Calculates the Adler-32 checksum for the given file. - */ -unsigned long fadler32(FILE *file) -{ - // Obtain file size - fseek(file, 0, SEEK_END); - long fileSize = ftell(file); - rewind(file); - - // Calculate Adler-32 checksum - char *buffer = (char*) malloc(fileSize); - fread(buffer, 1, fileSize, file); - unsigned long adler = adler32(0L, Z_NULL, 0); - adler = adler32(adler, (Bytef*) buffer, fileSize); - free(buffer); - - return adler; -} - -/** - * Prints out usage and exists. - */ -void print_usage() -{ - printf("Usage: adler32 mode [file]...\n"); - exit(0); -} - -int main(int argc, char *argv[]) -{ - int i; /**< Loops through arguments. */ - - if (argc < 2) - { - print_usage(); - } - - int mode = atoi(argv[1]); - - for (i = 2; i < argc; ++i) - { - FILE *file = fopen(argv[i], "r"); - - if (!file) - { - printf("Error while opening '%s' for reading!\n", argv[i]); - exit(1); - } - - unsigned long adler = fadler32(file); - switch (mode) - { - case 0: - default: - printf("%s %lx\n", argv[i], adler); - break; - case 1: - printf("%lx", adler); - break; - } - fclose(file); - } - - return 0; -} |