DeforaOS/utils
2
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Use PROGNAME for cp(1)

Browse Source
This commit is contained in:
Pierre Pronchery 2018-01-28 19:57:41 +01:00
parent ea88d968e6
commit c6db72305a
1 changed files with 16 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

26
src/cp.c
View File

@ -28,6 +28,11 @@
#include <libgen.h> #include <libgen.h>
#include <errno.h> #include <errno.h>
/* constants */
#ifndef PROGNAME
# define PROGNAME "cp"
#endif
/* types */ /* types */
typedef int Prefs; typedef int Prefs;
@ -55,7 +60,8 @@ static int _cp(Prefs * prefs, int filec, char * filev[])
return _cp_error(filev[filec - 1], 1); return _cp_error(filev[filec - 1], 1);
if(filec > 2) if(filec > 2)
{ {
fprintf(stderr, "%s%s%s", "cp: ", filev[filec - 1], fprintf(stderr, "%s%s%s", PROGNAME ": ",
filev[filec - 1],
": Does not exist and more than two" ": Does not exist and more than two"
" operands were given\n"); " operands were given\n");
return 1; return 1;
@ -73,7 +79,7 @@ static int _cp(Prefs * prefs, int filec, char * filev[])
static int _cp_error(char const * message, int ret) static int _cp_error(char const * message, int ret)
{ {
fputs("cp: ", stderr); fputs(PROGNAME ": ", stderr);
perror(message); perror(message);
return ret; return ret;
} }
@ -83,7 +89,7 @@ static int _cp_confirm(char const * message)
int c; int c;
int tmp; int tmp;
fprintf(stderr, "%s%s%s", "cp: ", message, ": Overwrite? "); fprintf(stderr, "%s%s%s", PROGNAME ": ", message, ": Overwrite? ");
if((c = fgetc(stdin)) == EOF) if((c = fgetc(stdin)) == EOF)
return 0; return 0;
while(c != '\n' && (tmp = fgetc(stdin)) != EOF && tmp != '\n'); while(c != '\n' && (tmp = fgetc(stdin)) != EOF && tmp != '\n');
@ -116,8 +122,8 @@ static int _cp_single(Prefs * prefs, char const * src, char const * dst)
{ {
if(st.st_dev == st2.st_dev && st.st_ino == st2.st_ino) if(st.st_dev == st2.st_dev && st.st_ino == st2.st_ino)
{ {
fprintf(stderr, "%s: %s: \"%s\"%s\n", "cp", dst, src, fprintf(stderr, "%s: %s: \"%s\"%s\n", PROGNAME, dst,
" is identical (not copied)"); src, " is identical (not copied)");
return 0; return 0;
} }
if(*prefs & CP_PREFS_i && _cp_confirm(dst) != 1) if(*prefs & CP_PREFS_i && _cp_confirm(dst) != 1)
@ -149,7 +155,7 @@ static int _cp_single_dir(Prefs * prefs, char const * src, char const * dst,
{ {
if(*prefs & CP_PREFS_R) if(*prefs & CP_PREFS_R)
return _cp_single_recurse(prefs, src, dst, mode); return _cp_single_recurse(prefs, src, dst, mode);
fprintf(stderr, "%s%s%s", "cp: ", src, ": Omitting directory\n"); fprintf(stderr, "%s%s%s", PROGNAME ": ", src, ": Omitting directory\n");
return 0; return 0;
} }
@ -304,10 +310,10 @@ static int _cp_multiple(Prefs * prefs, int filec, char * const filev[])
/* usage */ /* usage */
static int _usage(void) static int _usage(void)
{ {
fputs("Usage: cp [-fip] source_file target_file\n\ fputs("Usage: " PROGNAME " [-fip] source_file target_file\n\
cp [-fip] source_file ... target\n\ " PROGNAME " [-fip] source_file ... target\n\
cp -R [-H | -L | -P][-fip] source_file ... target\n\ " PROGNAME " -R [-H | -L | -P][-fip] source_file ... target\n\
cp -r [-H | -L | -P][-fip] source_file ... target\n\ " PROGNAME " -r [-H | -L | -P][-fip] source_file ... target\n\
-f Attempt to remove destination file before a copy if necessary\n\ -f Attempt to remove destination file before a copy if necessary\n\
-i Prompt before a copy to an existing file\n\ -i Prompt before a copy to an existing file\n\
-p Duplicate characteristics of the source files\n\ -p Duplicate characteristics of the source files\n\