I think that is problem with convertin char to const char*
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bash-3.1# gcc fsmond.c -o fsmond
bash-3.1# ./fsmond start
fd = 3, dir = "/tmp"
wd = -1 Error = No such file or directory
fd = 3, dir = "/var/www"
wd = -1 Error = No such file or directory
bash-3.1# gcc fsmond.c -ansi -Wall -pedantic -D_GNU_SOURCE
fsmond.c:8:1: warning: "_GNU_SOURCE" redefined
<command-line>: warning: this is the location of the previous definition
bash-3.1# gcc fsmond.c -o fsmond
bash-3.1# ./fsmond start
fd = 3, dir = "/tmp"
wd = -1 Error = No such file or directory
fd = 3, dir = "/var/www"
wd = -1 Error = No such file or directory
bash-3.1# gcc fsmond.c -ansi -Wall -pedantic -D_GNU_SOURCE
fsmond.c:8:1: warning: "_GNU_SOURCE" redefined
<command-line>: warning: this is the location of the previous definition
bash-3.1#
The inotify_add_watch prototipe is
int inotify_add_watch(int fd, const char *pathname, uint32_t mask);
If I write in inotify_add_watch function directly any directory string:
I think keefaz is correct you do not add a new line to the printf statements yet there is one there in the output. The cast from char* to char const* is implicit, the warning about _GNU_SOURCE is due to adding it on the command line and also in the code, one of these should be removed. This is a much better request for help
edit: Oops I never refreshed the screen before posting
Note however, that with you code, you use non-terminated with '\0' strings, that means weird bugs could happen...
strlen returns the number of chars not including the terminating \0, you have to malloc the number of chars you want + the terminating \0
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