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TetaTricks
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cosmetic

This commit is contained in:
tTh 2024-08-08 16:11:05 +02:00
parent 0480a7a73f
commit ae2f0d965e
1 changed files with 0 additions and 9 deletions
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9
code/debug/spy_getenv.c
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@ -1,14 +1,10 @@
/*
*
* spy_getenv.so: spy_getenv.c Makefile
* gcc -Wall -shared -fPIC $< -ldl -o $@
*
*/
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#define __USE_GNU
#include <dlfcn.h>
@ -18,15 +14,12 @@ char *getenv(char *envname)
{
static char *arrow = "--getenv--> ";
static char *wtf = " --> (nil)";
char *content;
original_getenv orig_getenv;
orig_getenv = (original_getenv)dlsym(RTLD_NEXT, "getenv");
write(STDERR_FILENO, arrow, strlen(arrow));
write(STDERR_FILENO, envname, strlen(envname));
content = orig_getenv(envname);
if (NULL != content) {
write(STDERR_FILENO, "=", 1);
@ -35,9 +28,7 @@ if (NULL != content) {
else {
write(STDERR_FILENO, wtf, strlen(wtf));
}
write(STDERR_FILENO, "\n", 1);
return content;
}