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authorAndreas Fankhauser hiddenalpha.ch2023-08-24 19:54:46 +0200
committerAndreas Fankhauser hiddenalpha.ch2023-08-24 19:54:46 +0200
commite05741fc1627c23d5811ad0c08bb372e87eeab94 (patch)
tree40b6f45327d5b2ee0bb8be65efb66f9e43f6f171 /src
parentf5432f6c475c0ee158c84fe8fed686216418bf06 (diff)
downloadbulk-ln-e05741fc1627c23d5811ad0c08bb372e87eeab94.zip
bulk-ln-e05741fc1627c23d5811ad0c08bb372e87eeab94.tar.gz
Replace ugly docker build env by qemu setup script.v0.0.2
Diffstat (limited to 'src')
-rw-r--r--src/bulk_ln/bulk_ln.c77
1 files changed, 42 insertions, 35 deletions
diff --git a/src/bulk_ln/bulk_ln.c b/src/bulk_ln/bulk_ln.c
index c03c2d9..ae9e51c 100644
--- a/src/bulk_ln/bulk_ln.c
+++ b/src/bulk_ln/bulk_ln.c
@@ -1,7 +1,7 @@
/* This */
#include "bulk_ln.h"
-
+
/* System */
#include <assert.h>
#include <errno.h>
@@ -59,45 +59,52 @@ struct BulkLn {
static void printHelp(){
- printf("\n %s%s\n", strrchr(__FILE__, '/') + 1, " @ " STR_QUOT(PROJECT_VERSION) "\n"
- "\n"
- "Utility to create links. Writing a custom implementation of 'ln' got necessary\n"
- "as we found no way to instruct 'ln' to create a few thousand links in an\n"
- "acceptable amount of time. So we just re-invented that wheel so it better fits\n"
- "our use-case ;)\n"
- "\n"
- "Takes paths (pairwise) from stdin (see --stdin for details) and creates a\n"
- "hardlink for each pair from the 1st path to the 2nd.\n"
- "\n"
- "Options:\n"
- "\n"
+ printf(" \n %s%s\n", strrchr(__FILE__, '/') + 1, " @ " STR_QUOT(PROJECT_VERSION) "\n"
+ " \n"
+ " Takes paths (pairwise) from stdin (see --stdin for details) and\n"
+ " creates a hardlink for each pair from the 1st path to the 2nd.\n"
+ " \n"
+ " Writing a custom implementation of 'ln' got necessary as we found no\n"
+ " way to instruct 'ln' to create a few thousand links in an acceptable\n"
+ " amount of time. Remind that wheels that do not fit should be\n"
+ " re-invented (yes, no matter how much they already exist!). So now we\n"
+ " have it. Our re-invented wheel that finally fits our use-case ;) \n"
+ " \n"
+ " See also\n"
+ " https://pubs.opengroup.org/onlinepubs/009695399/utilities/ln.html\n"
+ " for info about the original 'ln'.\n"
+ " \n"
+ " Options:\n"
+ " \n"
" --stdin\n"
" Read the path pairs to link from stdin. The format is like:\n"
- "\n"
+ " \n"
" <src-path> <tab> <dst-path> <newline>\n"
- "\n"
+ " \n"
" Example:\n"
- "\n"
+ " \n"
" origin/foo.txt\tnew/gugg.txt\n"
" origin/bar.txt\tnew/da.txt\n"
- "\n"
+ " \n"
" HINT: Preferred <newline> is LF. But CRLF should work too.\n"
- "\n"
+ " \n"
" --quiet\n"
- " Don't print status or similar stuff. Errors will still be printed to\n"
- " stderr.\n"
- "\n"
+ " Don't print status or similar stuff. Errors will still be\n"
+ " printed to stderr.\n"
+ " \n"
" --verbose\n"
- " Print stupid amount of logs. Usually only helpful for debugging. Should\n"
- " NOT be combined with --quiet as this would be nonsense anyway.\n"
- "\n"
+ " Print stupid amount of logs. Usually only helpful for debugging.\n"
+ " Should NOT be combined with --quiet as this would be nonsense\n"
+ " anyway.\n"
+ " \n"
" --dry-run\n"
" Will print the actions to stdout instead executing them.\n"
- " HINT: Directory count in summary will be inaccurate in this mode.\n"
- "\n"
+ " HINT: Directory count in summary will be inaccurate in this\n"
+ " mode.\n"
+ " \n"
" --force\n"
" Same meaning as in original 'ln' command.\n"
- "\n");
+ " \n");
}
@@ -140,7 +147,7 @@ static int parseArgs( int argc, char**argv, BulkLn*bulkLn ){
bulkLn->isPrintEachMkdir = !0;
}
else{
- fprintf(stderr, "Unknown arg '%s'.\n", arg);
+ fprintf(stderr, "EINVAL: '%s'\n", arg);
return -1;
}
}
@@ -150,7 +157,7 @@ static int parseArgs( int argc, char**argv, BulkLn*bulkLn ){
* accidentally) invokes the utility wihout args. Further this also makes
* the utility easier to extend wihout breaking everything. */
if( bulkLn->dataFilePath == NULL ){
- fprintf(stderr, "Arg '--stdin' missing. Try --help\n");
+ fprintf(stderr, "EINVAL: '--stdin' missing.\n");
return -1;
}
@@ -232,7 +239,7 @@ static int mkdirs( char*path, BulkLn*bulkLn ){
}
err = 0;
- finally:
+finally:
return err;
}
@@ -272,7 +279,7 @@ static int createHardlink( char*srcPath, char*dstPath, BulkLn*bulkLn ){
bulkLn->createdLinksCount += 1;
err = 0;
- finally:
+finally:
return err;
}
@@ -304,7 +311,7 @@ static int onPathPair( char*srcPath, char*dstPath, BulkLn*bulkLn ){
if( err ){ err = -1; goto finally; }
err = 0;
- finally:
+finally:
return err;
}
@@ -353,7 +360,7 @@ static int parseDataFileAsPairPerLine( BulkLn*bulkLn ){
char *dstPath_end = buf + buf_len;
for(;; --dstPath_end ){
if(unlikely( dstPath_end < buf )){
- fprintf(stderr, "IMHO cannot happen (@%s:%d)\n", __FILE__, __LINE__);
+ fprintf(stderr, "IMHO cannot happen %s:%d\n", __FILE__, __LINE__);
err = -1; goto finally;
}
if( dstPath_end[0]=='\n' || dstPath_end[0]=='\0' || dstPath_end[0]=='\r' ){
@@ -379,7 +386,7 @@ static int parseDataFileAsPairPerLine( BulkLn*bulkLn ){
}
err = 0;
- finally:
+finally:
free(buf);
return err;
}
@@ -413,7 +420,7 @@ int bulk_ln_main( int argc, char**argv ){
}
err = 0;
- finally:
+finally:
if( bulkLn->dataFd != NULL && bulkLn->dataFd != stdin ){
fclose(bulkLn->dataFd);
}