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comparison util.c @ 32:082c75b937b5

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removed unnecessary crap
author Anselm R. Garbe <garbeam@wmii.de>
date Thu, 13 Jul 2006 01:30:55 +0200
parents 2e0fb4130bfb
children e90449e03167
comparison
equal deleted inserted replaced
31:386649deb651 32:082c75b937b5
9 #include <string.h> 9 #include <string.h>
10 #include <sys/types.h> 10 #include <sys/types.h>
11 #include <sys/wait.h> 11 #include <sys/wait.h>
12 #include <unistd.h> 12 #include <unistd.h>
13 13
14 #include "util.h" 14 #include "wm.h"
15 15
16 void 16 void
17 error(char *errstr, ...) { 17 error(char *errstr, ...) {
18 va_list ap; 18 va_list ap;
19 va_start(ap, errstr); 19 va_start(ap, errstr);
58 } 58 }
59 59
60 char * 60 char *
61 estrdup(const char *str) 61 estrdup(const char *str)
62 { 62 {
63 void *res = strdup(str); 63 char *res = strdup(str);
64 if(!res) 64 if(!res)
65 bad_malloc(strlen(str)); 65 bad_malloc(strlen(str));
66 return res; 66 return res;
67 }
68
69 void
70 failed_assert(char *a, char *file, int line)
71 {
72 fprintf(stderr, "Assertion \"%s\" failed at %s:%d\n", a, file, line);
73 abort();
74 } 67 }
75 68
76 void 69 void
77 swap(void **p1, void **p2) 70 swap(void **p1, void **p2)
78 { 71 {
97 } 90 }
98 exit (0); 91 exit (0);
99 } 92 }
100 wait(0); 93 wait(0);
101 } 94 }
102
103 void
104 pipe_spawn(char *buf, unsigned int len, Display *dpy, char *argv[])
105 {
106 unsigned int l, n;
107 int pfd[2];
108
109 if(!argv || !argv[0])
110 return;
111
112 if(pipe(pfd) == -1) {
113 perror("pipe");
114 exit(1);
115 }
116
117 if(fork() == 0) {
118 if(dpy)
119 close(ConnectionNumber(dpy));
120 setsid();
121 dup2(pfd[1], STDOUT_FILENO);
122 close(pfd[0]);
123 close(pfd[1]);
124 execvp(argv[0], argv);
125 fprintf(stderr, "gridwm: execvp %s", argv[0]);
126 perror(" failed");
127 }
128 else {
129 l = n = 0;
130 close(pfd[1]);
131 while(n < len) {
132 if((l = read(pfd[0], buf + n, len - n)) < 1)
133 break;
134 n += l;
135 }
136 while(l > n);
137 close(pfd[0]);
138 buf[n < len ? n : len - 1] = 0;
139 }
140 wait(0);
141 }